57790 ZIP Code — Wall, SD

Pennington County, South Dakota

ZIP code 57790 is located in Wall, South Dakota, within Pennington County. It covers approximately 735.90 square miles and serves a population of 1,076 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 605.

About ZIP code 57790

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $181,100. Owner-occupancy is high at 81%, well above the national average.

The gap between median ($76,875) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 7% is below the national average. 42% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 20 minutes is near the national average.

Educational attainment is near the national average, with 27% of residents holding a bachelor's degree or higher.

Overall, ZIP code 57790 reflects a community defined by high homeownership and a significant Social Security-dependent population.

1,076
population
735.90
sq mi land
Standard
ZIP type
Mountain (MT)
timezone
57790 ZIP code map
Cities in ZIP code 57790

Below are the cities the US Postal Service accepts for ZIP code 57790. Using any city not on this list may result in mail delivery delays.

City Status
Wall Acceptable
Wall Preferred
Nearby ZIP codes
57775 Quinn (5.2 mi) 57791 Wasta (15.3 mi)
Demographics updated 06/2026
Population
Total population 1,076
Population density 1 / sq mi
State FIPS 46
County FIPS 103
Geography
Land area 735.90 sq mi
Water area 3.29 sq mi
Latitude 44.0979
Longitude -102.2188
Timezone Mountain (MT)
Area code 605
Total population by age
Gender
Race & ethnicity
Economics updated 06/2026
Household income
Income range This ZIP County avg State avg
Under $50k 36.4% 42.3% 41.7%
$50k – $100k 35.2% 33.3% 33.8%
$100k – $200k 22.6% 19.2% 20.1%
Over $200k 5.8% 5.2% 4.4%

Demographics & statistics

1,076
Population
1
People per sq mi
40.8
Median age
$76,875
Median household income
$41,085
Per capita income
$181,100
Median home value
$625
Median monthly rent
81.4%
Home ownership
7.3%
Poverty rate
0.4%
Unemployment
494
Housing units
26.6%
Bachelor's or higher

Age distribution

Male Female
32
Under 5
37
46
5–9
54
56
10–14
65
26
15–19
31
16
20–24
18
39
25–34
45
66
35–44
76
47
45–54
54
37
55–59
42
21
60–64
24
75
65–74
86
33
75–84
39
5
85+
6
← Male
Female →

Age summary

GroupCount%
Under 1832330.0%
18 and over75370.0%
65 and over24422.7%
Median age40.8 years

Race & ethnicity

White 81.9%
Two or more races 9%
American Indian / Alaska Native 4%
Black or African American 2%
Asian 1%
Hispanic or Latino 0.8%
Other race 0.8%
Native Hawaiian / Pacific Islander 0.4%
GroupCount%
White88981.9%
Two or more races989%
American Indian / Alaska Native434%
Black or African American222%
Asian111%
Hispanic or Latino90.8%
Other race90.8%
Native Hawaiian / Pacific Islander40.4%

Household income

Income range This ZIP County avg State avg
Under $50k 36.4% 42.3% 41.7%
$50k – $100k 35.2% 33.3% 33.8%
$100k – $200k 22.6% 19.2% 20.1%
Over $200k 5.8% 5.2% 4.4%
Under $10k 1.5%
$10k–$15k 4.1%
$15k–$25k 8.0%
$25k–$35k 6.4%
$35k–$50k 7.0%
$50k–$75k 22.2%
$75k–$100k 9.8%
$100k–$150k 17.8%
$150k–$200k 9.3%
$200k+ 13.9%
Range% of households
Under $10k1.5%
$10k–$15k4.1%
$15k–$25k8.0%
$25k–$35k6.4%
$35k–$50k7.0%
$50k–$75k22.2%
$75k–$100k9.8%
$100k–$150k17.8%
$150k–$200k9.3%
$200k+13.9%
Median income$76,875

Housing

Home values

Under $50k 6.6%
$50k–$100k 17.7%
$100k–$150k 14.9%
$150k–$200k 22.5%
$200k–$300k 22.8%
$300k–$500k 7.9%
$500k–$1M 1.9%
$1M+ 5.7%

Housing overview

MetricValue
Median home value$181,100
Median rent / month$625
Owner occupied81.4%
Renter occupied18.6%
Vacant31.4%
Single-family detached79.7%
Large apartment buildings2.8%
Mobile homes13.1%
Median rooms6.4
Avg household size (owned)2.81

Year built

Era%
2020 or later0.0%
2010–20198.8%
2000–20096.0%
1990–19996.2%
1980–198911.8%
1970–197924.0%
1960–196912.7%
1950–19596.9%
1940–194910.4%
1939 or earlier13.1%

Bedrooms

Size% of units
No bedroom (studio)1.6%
1 bedroom8.7%
2 bedrooms30.6%
3 bedrooms28.8%
4 bedrooms18.4%
5+ bedrooms12.0%

Vehicles per household

Vehicles% of households
No vehicle3.9%
1 vehicle18.3%
2 vehicles35.8%
3 or more42.0%

Heating fuel

Fuel type%
Utility gas3.1%
Electricity45.6%
Propane / LP gas42.5%
Fuel oil1.0%
Wood7.2%

Households & families

Household typeCount%
Married-couple family25966.8%
Cohabiting couple389.8%
Male householder, no spouse164.1%
Female householder, no spouse7519.3%
Households with children under 1813635.1%
Households with seniors (65+)16843.3%
Average household size2.76

Marital status

StatusMaleFemale
Never married23.3%14.3%
Married66.4%65.7%
Separated0.0%1.0%
Widowed0.0%12.0%
Divorced10.3%7.0%

Education

Less than 9th grade 0.4%
Some HS, no diploma 1.6%
HS graduate 26.3%
Some college, no degree 23.7%
Associate's degree 21.3%
Bachelor's degree 22.9%
Graduate / professional 3.7%
Metric%
HS diploma or higher98.0%
Bachelor's or higher26.6%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool155.5%
Kindergarten4917.8%
Elementary school14653.1%
High school4817.5%
College / grad school176.2%

Employment

Industry of employment

Education & healthcare 16.7%
Retail trade 15.8%
Information 11.1%
Agriculture & mining 9.7%
Transportation & utilities 9.7%
Public administration 9.3%
Arts, food & hospitality 9.0%
Finance & real estate 8.6%
Professional & management 4.1%
Construction 2.7%
Manufacturing 2.5%
Other services 0.9%

Occupation

Category%
Management, business & arts44.7%
Service9.7%
Sales & office29.1%
Natural resources & construction12.0%
Production & transportation4.5%

Employment type

Type%
Private sector76.7%
Government14.9%
Self-employed8.4%
Unpaid family workers0.0%

Commute

Method%
Drive alone76.5%
Carpool9.7%
Public transit0.0%
Walk1.8%
Work from home10.2%
Other means1.8%
Avg commute (minutes)20.3

Poverty

All people 7.3%
Under 18 years 9.7%
18 and over 6.2%
Married-couple families 6.9%
Female-led households 0.0%

Income support

Source% of households
Social Security42.0%
Retirement income31.4%
Supplemental Security2.3%
Cash public assistance2.3%
Food stamps / SNAP1.3%

Health indicators

Condition%
Obesity31.5%
High blood pressure33.8%
High cholesterol34.1%
Diabetes9.5%
Heart disease7.7%
Stroke3.3%
Asthma8.7%
Arthritis27.2%
Kidney disease3.1%
Pulmonary disease6.2%
Cancer8.2%
Behavior / access%
Smoking17.0%
Binge drinking18.0%
No physical activity21.7%
Less than 7 hrs sleep26.7%
Depression16.0%
Fair or poor health11.4%
Poor mental health10.3%
Poor physical health8.9%
No health insurance11.0%
Visited doctor (checkup)76.2%
Visited dentist67.6%
Cholesterol screening89.9%
Teeth loss13.8%

Veterans & disability

VeteransCount%
Civilian veterans425.6%
Disability%
Any disability9.8%
Under 180.9%
18–64 years8.8%
65 and over23.4%

Health insurance coverage

Type%
Private insurance77.7%
Public insurance25.7%
No insurance9.9%
Uninsured under 1915.3%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only1,00793.6%
Spanish30.3%
Other Indo-European30.3%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)1,06599.0%
Born in same state1,04897.4%
Born in different state83978.0%
Foreign born171.6%
Naturalized citizen111.0%
Not a US citizen11100.0%

Ancestry

AncestryCount%
Polish20318.9%
Italian12811.9%
French575.3%
English383.5%
AncestryCount%
Dutch292.7%
Arab232.1%
German70.7%

Technology access

Metric% of households
Computer access36.1%
Internet access94.8%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 57790

What city is ZIP code 57790 in?

ZIP code 57790 is primarily assigned to Wall, South Dakota.

What county is ZIP code 57790 in?

ZIP code 57790 falls within Pennington County, South Dakota.

Does ZIP code 57790 have a large retiree population?

42% of households in ZIP code 57790 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 57790 mostly owner-occupied?

81% of occupied units in ZIP code 57790 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 57790?

The median home value in ZIP code 57790 is $181,100.

What is the population of ZIP code 57790?

ZIP code 57790 has an estimated population of 1,076 residents, with a density of 1 people per square mile.

What timezone is ZIP code 57790 in?

ZIP code 57790 observes the MST timezone.

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